Read the latest articles from Popular Science (Page 812)

a copper pan full of wine corks

The key to cleaning copper cookware is probably in your fridge

Just don’t lick it off when you’re done cleaning. That’s gross.

By Katherine Martinelli

a woman wears a black face mask on the train in Taipei city in taiwan

The CDC just confirmed a second U.S. case of the Wuhan coronavirus

The Seattle patient is joined by another in Chicago.

walking shark on the seafloor

These adorable sharks have evolved to walk across the seafloor

They’re also champion hitchhikers.

By Kate Baggaley

tractor spraying insecticide over field

Pesticide testing is flawed—and it’s harming our birds and bees

Computer modeling of both chemicals and the organisms affected by them can help farmers make better choices.

Illustration of a box of wild animal poop.

Eleven animals you can identify by their poop

Scat, droppings, feces, or s&%! No matter what you call it, here’s how to use it as a clue.

By Bill Heavey/Field & Stream

lightsail 2's wing in the foreground, Earth and Australia in the background

LightSail 2′s success could pave the way for more sun-powered spacecrafts

The nimblest solar sail yet rides sunbeams around the Earth.

By Charlie Wood

A mushroom cloud

The Doomsday Clock is now closer to midnight than ever before

Just 100 seconds to midnight.

By Rachel Feltman

Deucalion and Pyrrha

Real-life climate disasters are mirroring doomsday myths—and that’s worse than you think

If people start to believe the end is nigh, they might give up on tackling environmental problems.

By Jeremy Deaton/Nexus Media

To remain hidden, these beetles sparkle like gems

Iridescent color isn’t always for standing out—for some creatures, it’s for blending in.

By Sara Kiley Watson

Niv Bavarsky illustration

This is why you mishear popular song lyrics

Hold me closer ... Tony Danza?

By Sara Kiley Watson

someone helps an older woman put on a face mask

The timing of the Wuhan coronavirus could be a global-health nightmare

Here’s how China is working to halt its spread despite holiday travel.

Person working out in a hotel room.

How to fit in a workout while you travel

Sightseeing is just another excuse to break a sweat.

By Harry Guinness

firefighter looks out over burned land and fire

California needs to set more fires

A new study reveals the risks, regulations, and limited resources that hold back plans for prescribed blazes.

espresso being made

For better coffee, start with fewer beans

A new study flips the traditional technique on its head.

the Yarrabubba crater in western australia

This 43-mile-wide crater is 2.2 billion years old—making it Earth’s oldest meteorite impact

Billions of years ago, the strike might have helped end an ice age.

By Kate Baggaley

special forces dog goggles

These camera-equipped dog goggles keep special-forces canines connected to their handlers

But the doggles don’t come cheap.

By Christina Mackenzie

spacex crew dragon capsule

SpaceX saves mannequins from fireball. Next up, astronauts.

The company aced its last major uncrewed safety test.

By Charlie Wood

a woman wears a black face mask on the train in Taipei city in taiwan

The Wuhan coronavirus has officially hit the US—but don’t panic

At least for now, officials think the virus doesn’t pose a huge threat.

By Rachel Feltman

screenshot of guy dipping finger in soy sauce then putting it on his testicles

No, you can’t taste anything with your testicles

That’d mean you could taste with your intestines and bladder, too.

By Sara Chodosh

Lee Johnston (BMW Ashcourt Racing) hurtles a short distance from the dreaded Armco barriers, with the city in the background.

The world’s most thrilling motorcycle race, in photos

Track knowledge can make the difference between life and death during the notorious Macau Grand Prix.

By Marta Covioli/Motorcyclist

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